20921854

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:911

約数の個数: 16

約数和(自身を含む): 32006016

約数和(自身を除く): 11084162

約数列:

[1, 2, 71, 142, 251, 502, 587, 1174, 17821, 35642, 41677, 83354, 147337, 294674, 10460927, 20921854]

約数ペア:

[(1, 20921854), (2, 10460927), (71, 294674), (142, 147337), (251, 83354), (502, 41677), (587, 35642), (1174, 17821)]